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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\language\LanguageServiceProvider. | |
| */ | |
| namespace Drupal\language; | |
| use Drupal\Core\Config\BootstrapConfigStorageFactory; | |
| use Drupal\Core\DependencyInjection\ContainerBuilder; | |
| use Drupal\Core\DependencyInjection\ServiceProviderBase; | |
| use Drupal\Core\Language\LanguageInterface; | |
| use Symfony\Component\DependencyInjection\Reference; | |
| /** | |
| * Overrides the language_manager service to point to language's module one. | |
| */ | |
| class LanguageServiceProvider extends ServiceProviderBase { | |
| const CONFIG_PREFIX = 'language.entity.'; | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function register(ContainerBuilder $container) { | |
| // The following services are needed only on multilingual sites. | |
| if ($this->isMultilingual()) { | |
| $container->register('language_request_subscriber', 'Drupal\language\EventSubscriber\LanguageRequestSubscriber') | |
| ->addTag('event_subscriber') | |
| ->addArgument(new Reference('language_manager')) | |
| ->addArgument(new Reference('language_negotiator')) | |
| ->addArgument(new Reference('string_translation')) | |
| ->addArgument(new Reference('current_user')); | |
| $container->register('path_processor_language', 'Drupal\language\HttpKernel\PathProcessorLanguage') | |
| ->addTag('path_processor_inbound', array('priority' => 300)) | |
| ->addTag('path_processor_outbound', array('priority' => 100)) | |
| ->addArgument(new Reference('config.factory')) | |
| ->addArgument(new Reference('language_manager')) | |
| ->addArgument(new Reference('language_negotiator')) | |
| ->addArgument(new Reference('current_user')) | |
| ->addArgument(new Reference('language.config_subscriber')) | |
| ->addMethodCall('initConfigSubscriber'); | |
| } | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function alter(ContainerBuilder $container) { | |
| $definition = $container->getDefinition('language_manager'); | |
| $definition->setClass('Drupal\language\ConfigurableLanguageManager') | |
| ->addArgument(new Reference('config.factory')) | |
| ->addArgument(new Reference('module_handler')) | |
| ->addArgument(new Reference('language.config_factory_override')) | |
| ->addArgument(new Reference('request_stack')); | |
| if ($default_language_values = $this->getDefaultLanguageValues()) { | |
| $container->setParameter('language.default_values', $default_language_values); | |
| } | |
| // For monolingual sites, we explicitly set the default language for the | |
| // language config override service as there is no language negotiation. | |
| if (!$this->isMultilingual()) { | |
| $container->getDefinition('language.config_factory_override') | |
| ->addMethodCall('setLanguageFromDefault', array(new Reference('language.default'))); | |
| } | |
| } | |
| /** | |
| * Checks whether the site is multilingual. | |
| * | |
| * @return bool | |
| * TRUE if the site is multilingual, FALSE otherwise. | |
| */ | |
| protected function isMultilingual() { | |
| // Assign the prefix to a local variable so it can be used in an anonymous | |
| // function. | |
| $prefix = static::CONFIG_PREFIX; | |
| // @todo Try to swap out for config.storage to take advantage of database | |
| // and caching. This might prove difficult as this is called before the | |
| // container has finished building. | |
| $config_storage = BootstrapConfigStorageFactory::get(); | |
| $config_ids = array_filter($config_storage->listAll($prefix), function($config_id) use ($prefix) { | |
| return $config_id != $prefix . LanguageInterface::LANGCODE_NOT_SPECIFIED && $config_id != $prefix . LanguageInterface::LANGCODE_NOT_APPLICABLE; | |
| }); | |
| return count($config_ids) > 1; | |
| } | |
| /** | |
| * Gets the default language values. | |
| * | |
| * @return array|bool | |
| * Returns the default language values for the language configured in | |
| * system.site:default_langcode if the corresponding configuration entity | |
| * exists, otherwise FALSE. | |
| */ | |
| protected function getDefaultLanguageValues() { | |
| $config_storage = BootstrapConfigStorageFactory::get(); | |
| $system = $config_storage->read('system.site'); | |
| $default_language = $config_storage->read(static::CONFIG_PREFIX . $system['default_langcode']); | |
| if (is_array($default_language)) { | |
| return $default_language; | |
| } | |
| return FALSE; | |
| } | |
| } |